Question about Sigma 18-200mm f/3.5-6.3 for Nikon
I bought a sigma 18 - 200mm dc lens for nikon almost half year ago and found there is dust inside the lens. My warranty will valid untill April 21 2009. Do you think it should be covered by warranty? I have three Nikon compatibale lens and non of them has dust inside. I mean it is not possible to cause this problem by normal use, am I right?
Zoom lenses are kind of like a tire pump. They will draw air in (and out) when zoomed. The longer the throw of the zoom, the more air moved. You can try Sigma, they may cover it, but...
A small amount of dust should have no effect on the quality of your images, but I would be concerned about it being transferred to your camera's image sensor over time. ( I assume you are using the lens on a digital body )
Posted on Oct 02, 2008
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Posted on Jan 02, 2017
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